bugtraq - [ MDVSA-2015:096 ] stunnel

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Date: Sat, 28 Mar 2015 11:42:00 +0100
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2015:096 ] stunnel

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2015:096
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : stunnel
 Date    : March 28, 2015
 Affected: Business Server 2.0
 _______________________________________________________________________

 Problem Description:

 Updated stunnel package fixes security vulnerability:

 A flaw was found in the way stunnel, a socket wrapper which can provide
 SSL support to ordinary applications, performed (re)initialization of
 PRNG after fork. When accepting a new connection, the server forks and
 the child process handles the request. The RAND_bytes() function of
 openssl doesn&#039;t reset its state after the fork, but seeds the PRNG
 with the output of time(NULL). The most important consequence is
 that servers using EC (ECDSA) or DSA certificates may under certain
 conditions leak their private key (CVE-2014-0016).

 The updated packages fix this issue by using threads instead of new
 processes to handle connections.

 Also an issue has been corrected where the directory for the pid file
 was not being created when the package is installed.

 An issue currently exists in Mageia 4 where it fails trying to use
 FIPS SSL (mga#13124). This can be worked around by adding fips =
 no into the config.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0016
 http://advisories.mageia.org/MGASA-2014-0144.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 2/X86_64:
 34c6ac327fa19ff94e3461e65b82518d  mbs2/x86_64/stunnel-4.56-4.1.mbs2.x86_64.rpm 
 90de576bd2fb8b349c9fe373db32cac6  mbs2/SRPMS/stunnel-4.56-4.1.mbs2.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/en/support/security/advisories/

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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